Event between (55576) Amycus and star GA0700:34343677 with event index number of 2573238
Geocentric closest approach at 2027/10/01 09:18:41 UTC
J2000 position of star is 20:47:19.8 -19:02:02
Equinox of date position of star is 20:48:38.0 -18:56:55
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 104 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=21.6
TNO is 25.6 AU from the Sun
and 25.1 AU from the Earth.
The TNO is moving 10.0
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 307 seconds.
The 1-sigma cross-track error in the shadow position is
1830 km.
The TNO has an absolute magnitude Hv=7.4
Diameter=219.8 km assuming a 5% albedo -- 19.6 sec chord
Diameter=89.7 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is CENTAURR
Star training set for 55576, (2027/10/01 09:15UT) Object RA Dec mag sep mel Fomalhaut 22:59:10.5 -29:28:28 1.2 31.39 124 38Zet Sgr 19:04:22.5 -29:50:17 2.7 26.10 78 PPM 237966 20:50:54.8 -17:55:54 6.2 1.11 105 PPM 237896 20:48:02.7 -18:42:21 8.5 0.30 104 PPM 237884 20:47:42.7 -18:58:39 9.2 0.29 104 55576 20:48:54.6 -18:55:50 15.5 104 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 55576, (2027/10/01 09:15UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 31.39 124 38Zet Sgr 19:02:36.7 -29:52:49 2.7 26.10 78 PPM 237966 20:49:20.6 -18:02:10 6.2 1.11 105 PPM 237896 20:46:28.0 -18:48:32 8.5 0.30 104 PPM 237884 20:46:07.9 -19:04:50 9.2 0.29 104 55576 20:47:19.8 -19:02:02 15.5 104 Positions are for J2000
Event circumstances last updated at 2022/11/23 03:20:52 UT
Marc W. Buie, Southwest Research Institute